Sunspot region AR13845
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/10/01 | 5 | 30 | CRO | N19W46 | |
| 2024/10/02 | 6 | 10 | BXO | N19W60 | |
| 2024/10/03 | 1 | 10 | AXX | N19W74 | |
| 2024/10/04 | 1 | 10 | AXX | N19W85 | |
| 2024/10/05 | 1 | 10 | AXX | N18W0* |
2024/10/01
2024/10/02
2024/10/03
2024/10/04
2024/10/05
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2024/10/01
2024/10/02
2024/10/03
2024/10/04
2024/10/05
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| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 13845
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 2024/10/04 | 22:04 | 22:11 | 22:18 | |
| 2 | C7.5 | 2024/10/02 | 17:34 | 17:41 | 17:46 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Latest forum messages
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |